Transportation Management Associations. Private and public/private organizations that implement congestion mitigation strategies and work together on other local transportation issues. Many are incorporated, non-profit organizations. Most are located in areas of dense employment and focus on the travel demand management programs of public and private employers.

Treasury Managed Accounts ( link to)

Turkish Medical Association

TRICARE Management Activity. Ensures, with the support of the Surgeons General of the Military Departments, that Department of Defense (DoD) policy on health care is consistently, effectively and efficiently implemented throughout the Military Health System (MHS). The TMA is an activity of the Assistant Secretary of Defense (Health Affairs).

Transportation Management Association. private sector or joint private-public sector partnerships formed to reduce traffic congestion in a particular locale.

Transportation Management Association. A nonprofit membership organization made up of local businesses; employees at those member employers are eligible for services provided by the TMA.

Truck Manufacturers Association

Telecommunications Managers Association (UK)

See Transportation Management Association.

Telecoms Managers Association is the large business telecoms users' organisation.